sequencer

envelope-editor

An ADSR envelope editor — drag the four handles to set attack, decay, sustain, and release. The curve renders in real time.

A0.15
D0.25
S0.65
R0.35

Drag any handle to reshape the envelope. Values are 0–1 normalized.

Installation

Usage

Use when

  • Synthesizer envelope shaping — the four-stage model is the standard